VS1053B MP3/WAV/OGG/MIDI Player & Recorder (CODEC) Chip
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ADA1681
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The VS1053 is a multi-format audio codec chip, loved by many for its simplicity and power. CODEC stands for "Coder & Decoder" and that's pretty much what this little chip does - it can decode digital audio files such as MP3, FLAC, AAC, OGG and WAV as well as encode audio into digital formats (right now only WAV and OGG are supported for encoding). For many small microcontrollers, the mathematical calculations for decoding MP3 files is too much effort. That's where you'd use this chip.
All you need to do is stream it the raw audio file as you have on an SD or other storage and it will magically play the stereo audio. There's some support circuitry needed, so if this is your first project, 5:23)
Technical Details
TQFP-48 0.5mm pitch
Dimensions: 9mm x 9mm total (7mm x 7mm body)
Decodes multiple formats:
Ogg Vorbis
MP3 = MPEG 1 & 2 audio layer III (CBR+VBR+ABR)
MP1 & MP2 = MPEG 1 & 2 audio layers I & II optional
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